2016-04-06 1:50 GMT+03:00 David Guillen Fandos <da...@davidgf.net>: > > Thanks again Ilya, > > That seems to help to solve the problem. Now I'm facing another issue. > It seems the tree-vec-generic pass is promoting my vector operations to > BLKmode and therefore the VECTOR_MODE_P macro evaluates to false, > falling back to scalar mode. > I thought I got it working for a moment when I forgot to fix the > HARD_MODE_REGNO_OK macro that evaluated to false for vector registers. > In that case I mange to dodge this issue but I see another issue > regarding register allocation (obviously! :P) > > So the bottom line would be, how do I make sure that my "compute_type" > is V4SF instead of BLKmode? Where does this promotion happen?
TYPE_MODE macro for vectors is actually a call to vector_type_mode. You should probably look at it first. You may also check what mode_for_vector returns for float vector in your case. Ilya > > Thanks a lot! > David
